Chemistry of CosmeticsBest and Worst CosmeticProducts and Ingredients
Common Ingredients Detergent or surfactant Increases the products wetting ability, and allows the sebum(oil produced by scalp) and dirt to be washed away. The mostcommon one used in shampoos is ammonium lauryl sulphate orsodium laureth sulphate. Lather boosters These include cocamide DEA and lauramide DEA. Whilelather doesnt make shampoo work any better, people seem tolike those that lather easily.
More Ingredients Conditioning agent Adds different electrical charges to hair to make it smootherand easier to comb. made of fatty or oily substances, for example, glycol stearateand panthenol. Fruit Extracts- mainly for the presence of vitamins and alphahydroxy acids (AHA)= invigorating, purifying, soothing andmoisturizing. Fragrences- appeal Thickeners Salt is a common one, also hydroxypropyl methylcellulose orammonium chloride.
Hair Types- OILYShampoos that contain acidic ingredients and natural astringents. These willstrip the excess oil from your hair best.ASTRIGENT- chemical compound that tends to shrink or constrict bodytissues.Externally applied astringents, which cause mild concentration of skinprotiens, dry, harden, and protect the skinSuave Daily Clarifying Shampoo for Normal toOily HairIngredients: Water (aqua), Ammonium Lauryl Sulfate, Ammonium Laureth Sulfate,Cocamide MEA,Ammonium Chloride,Peg-5 Cocamide, Cocamidopropyl Betaine, Fragrance,Tetrasodium EDTA Citric Acid, Dimethicone Copolyol, Methylchloroisothiazolinone,Hydroxrpropyl Methlcellulose, Methylisothiazolinone, DMDM Hydantoin, Ammonium Chloride,Ammonium Xylene-Sulfonate, Benzophenone-4, Citric Acid, Fragrance (Parfum), D&Corange #4 (CI 15510) D&C Red #33 (CI 17200).Matrix Biolage Normalizing ShampooIngredients:Water, Sodium Laureth Sulfate, Sodium Lauryl Sulfate, Cocamidopropyl Betaine, Cocamide MEA,Linoleamidopropyl PG-Dimonium Chloride Phosphate, Quillaja Saponaria Extract, Ginkgo BilobaExtract, Wheat Germ Extract (Triticum Vulgare), Lemongrass (Cymbopogon Schoenanthus) Extract,Sage (Salvia Officinalis) Extract, Pollen Extract, Citric Acid, Fragrance, Polysorbate 20, PropyleneGlycol, Sodium Chloride, Tetrasodium EDTA, DMDM Hydantoin, Methylparaben, FD&C Yellow #5,FD&C Red No. 4.